Ethyl 3-bromo-5-(bromomethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
2-Bromo-4-(bromomethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
Ethyl 3-bromo-4-(bromomethyl)-6-(trifluoromethoxy)pyridine-2-carboxylate
2-Bromo-3-(bromomethyl)-6-(trifluoromethoxy)pyridine-5-carboxylic acid